diff --git a/src/components/views/settings/tabs/user/PreferencesUserSettingsTab.js b/src/components/views/settings/tabs/user/PreferencesUserSettingsTab.js
index 4d8493401e..636c5cb7c8 100644
--- a/src/components/views/settings/tabs/user/PreferencesUserSettingsTab.js
+++ b/src/components/views/settings/tabs/user/PreferencesUserSettingsTab.js
@@ -46,6 +46,7 @@ export default class PreferencesUserSettingsTab extends React.Component {
         'alwaysShowTimestamps',
         'showRedactions',
         'enableSyntaxHighlightLanguageDetection',
+        'expandCodeByDefault',
         'showJoinLeaves',
         'showAvatarChanges',
         'showDisplaynameChanges',
diff --git a/src/settings/Settings.ts b/src/settings/Settings.ts
index b239b809fe..bef1564e90 100644
--- a/src/settings/Settings.ts
+++ b/src/settings/Settings.ts
@@ -300,6 +300,11 @@ export const SETTINGS: {[setting: string]: ISetting} = {
         displayName: _td('Enable automatic language detection for syntax highlighting'),
         default: false,
     },
+    "expandCodeByDefault": {
+        supportedLevels: LEVELS_ACCOUNT_SETTINGS,
+        displayName: _td('Expand code blocks by default'),
+        default: false,
+    },
     "Pill.shouldShowPillAvatar": {
         supportedLevels: LEVELS_ACCOUNT_SETTINGS,
         displayName: _td('Show avatars in user and room mentions'),